A signed microsecond duration; native APIs receive its bigint by value.
创建零时长。
从有符号 64 位微秒数创建时长。
复制时长,副本与源对象独立。
Readonly
Static
只读的零时长。
返回精确的有符号 64 位微秒数。
返回整毫秒数,向零截断并按有符号 32 位整数转换。
返回秒数,按 float32 精度舍入。
std::chrono::microseconds is represented by a microsecond bigint.
A signed microsecond duration; native APIs receive its bigint by value.